Home / 12,310.99-18,468.92-4,519.87

Finding the Fourth Proportional to 12,310.99, 18,468.92 and 4,519.87

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Solution

The fourth proportional to 12,310.99, 18,468.92 and 4,519.87 is: 6,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.99 : 18,468.92 = 4,519.87 : x
  2. Step 2: Convert to fraction form
    12,310.99/18,468.92 = 4,519.87/x
  3. Step 3: Cross multiply
    12,310.99x = 18,468.92 × 4,519.87
  4. Step 4: Simplify right side
    12,310.99x = 83,477,094.84
  5. Step 5: Solve for x
    x = 83,477,094.84/12,310.99
  6. Step 6: Final answer
    x = 6,780.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.